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2026-03-27 - 12:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Mar 27, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16945215774,8sleep00-21swapper/019:07:390
168672125116,6sleep10-21swapper/119:06:391
17072212273,9sleep20-21swapper/219:09:162
11594211099,7sleep30-21swapper/319:05:003
63002650,0sleep30-21swapper/322:00:173
63002650,0sleep30-21swapper/322:00:173
287752580,0sleep20-21swapper/223:05:002
209452560,0sleep10-21swapper/100:20:231
314142550,0sleep10-21swapper/122:35:191
1730999280,27cyclictest0-21swapper/219:53:412
1730599285,2cyclictest0-21swapper/121:05:101
1730599280,27cyclictest0-21swapper/120:34:301
17305992723,3cyclictest0-21swapper/121:47:271
1730599270,3cyclictest0-21swapper/119:31:531
1730599270,26cyclictest0-21swapper/122:40:551
1730599270,26cyclictest0-21swapper/121:29:041
1730599270,26cyclictest0-21swapper/119:57:271
1730599270,26cyclictest0-21swapper/119:29:241
1730599270,26cyclictest0-21swapper/100:16:361
1730999260,25cyclictest0-21swapper/200:32:242
17305992623,2cyclictest0-21swapper/119:13:471
1730599260,25cyclictest0-21swapper/122:52:191
1730599260,25cyclictest0-21swapper/120:08:391
1730599260,25cyclictest0-21swapper/100:13:351
17309992523,2cyclictest0-21swapper/220:46:272
1730999250,24cyclictest0-21swapper/220:28:152
1730599250,24cyclictest0-21swapper/123:57:201
1730599250,24cyclictest0-21swapper/122:31:371
1730599250,24cyclictest0-21swapper/122:01:521
1730599250,24cyclictest0-21swapper/122:01:521
1730599250,24cyclictest0-21swapper/121:58:311
1730599250,24cyclictest0-21swapper/121:32:071
17309992422,2cyclictest0-21swapper/222:46:292
17305992421,2cyclictest0-21swapper/122:08:281
1730599240,2cyclictest0-21swapper/120:11:021
1730599240,23cyclictest0-21swapper/121:53:221
1730599240,23cyclictest0-21swapper/120:21:211
1730999237,8cyclictest16466-21/usr/sbin/munin22:25:152
1730999231,21cyclictest0-21swapper/200:25:082
1730999230,22cyclictest0-21swapper/221:36:192
17305992321,2cyclictest0-21swapper/120:53:091
17305992321,2cyclictest0-21swapper/119:23:171
17305992320,2cyclictest0-21swapper/123:45:141
17305992317,5cyclictest749-21snmpd21:23:461
1730599230,20cyclictest579-21rs:main1
17309992220,2cyclictest0-21swapper/200:04:562
17309992219,2cyclictest749-21snmpd23:35:352
17309992219,2cyclictest749-21snmpd19:23:332
1730999220,21cyclictest0-21swapper/222:54:102
1730999220,21cyclictest0-21swapper/222:38:362
1730999220,21cyclictest0-21swapper/200:24:262
1730599224,1cyclictest31827-21/usr/sbin/munin00:05:231
17305992220,2cyclictest0-21swapper/122:27:251
1730599220,4cyclictest0-21swapper/120:45:241
1730599220,3cyclictest0-21swapper/123:39:211
1730599220,21cyclictest0-21swapper/123:32:141
1730599220,21cyclictest0-21swapper/123:08:161
1730599220,21cyclictest0-21swapper/123:00:521
1730599220,21cyclictest0-21swapper/122:23:341
1730599220,21cyclictest0-21swapper/121:02:481
1730599220,21cyclictest0-21swapper/120:04:021
1730599220,21cyclictest0-21swapper/119:19:361
1730599220,21cyclictest0-21swapper/100:39:471
1730599220,21cyclictest0-21swapper/100:25:201
1730599220,21cyclictest0-21swapper/100:01:451
1730599220,10cyclictest0-21swapper/121:10:121
1730199226,14cyclictest0-21swapper/021:10:140
17309992118,2cyclictest749-21snmpd20:02:442
1730999211,18cyclictest0-21swapper/221:05:112
1730999210,3cyclictest0-21swapper/221:28:252
1730999210,20cyclictest0-21swapper/223:26:362
1730999210,20cyclictest0-21swapper/223:21:402
1730999210,20cyclictest0-21swapper/222:14:102
1730999210,20cyclictest0-21swapper/221:20:392
1730999210,20cyclictest0-21swapper/221:17:012
1730999210,20cyclictest0-21swapper/220:09:372
1730999210,20cyclictest0-21swapper/200:15:202
17305992118,2cyclictest0-21swapper/120:29:261
17305992117,3cyclictest0-21swapper/123:13:101
1730599210,20cyclictest0-21swapper/123:40:461
1730599210,20cyclictest0-21swapper/123:17:221
1730599210,20cyclictest0-21swapper/122:15:251
1730599210,20cyclictest0-21swapper/122:14:431
1730599210,20cyclictest0-21swapper/120:35:151
1730599210,20cyclictest0-21swapper/120:16:571
1730599210,20cyclictest0-21swapper/119:45:231
1730599210,20cyclictest0-21swapper/119:43:211
1730199210,20cyclictest0-21swapper/023:29:050
17309992018,1cyclictest749-21snmpd21:14:092
17309992018,1cyclictest749-21snmpd20:42:322
17309992018,1cyclictest749-21snmpd19:45:302
17309992018,1cyclictest749-21snmpd19:36:142
17309992018,1cyclictest749-21snmpd19:31:512
17309992017,2cyclictest749-21snmpd21:31:552
17309992017,2cyclictest749-21snmpd19:45:002
17309992017,2cyclictest749-21snmpd19:27:302
17309992016,3cyclictest0-21swapper/222:18:342
1730999200,2cyclictest0-21swapper/223:06:162
1730999200,2cyclictest0-21swapper/220:51:422
1730999200,19cyclictest0-21swapper/222:20:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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